51046400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 126691110

約数和(自身を除く): 75644710

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 997, 1024, 1280, 1600, 1994, 2048, 2560, 3200, 3988, 4985, 5120, 6400, 7976, 9970, 10240, 12800, 15952, 19940, 24925, 25600, 31904, 39880, 49850, 51200, 63808, 79760, 99700, 127616, 159520, 199400, 255232, 319040, 398800, 510464, 638080, 797600, 1020928, 1276160, 1595200, 2041856, 2552320, 3190400, 5104640, 6380800, 10209280, 12761600, 25523200, 51046400]

約数ペア:

[(1, 51046400), (2, 25523200), (4, 12761600), (5, 10209280), (8, 6380800), (10, 5104640), (16, 3190400), (20, 2552320), (25, 2041856), (32, 1595200), (40, 1276160), (50, 1020928), (64, 797600), (80, 638080), (100, 510464), (128, 398800), (160, 319040), (200, 255232), (256, 199400), (320, 159520), (400, 127616), (512, 99700), (640, 79760), (800, 63808), (997, 51200), (1024, 49850), (1280, 39880), (1600, 31904), (1994, 25600), (2048, 24925), (2560, 19940), (3200, 15952), (3988, 12800), (4985, 10240), (5120, 9970), (6400, 7976)]